One concern with measuring split-half reliability is that many different correlations are possible depending on how you decide to split the test items in half.

Question

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Splitting the test items in different ways can lead to different subsets of items being included in each half, which can affect the reliability coefficient obtained. Therefore, it is important to use a systematic method for splitting the items, such as randomly dividing them or dividing them based on content or difficulty.

One Concern with Measuring Split-Half Reliability Is That Many Different